1030431-21-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1030431-21-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,0,4,3 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1030431-21:
(9*1)+(8*0)+(7*3)+(6*0)+(5*4)+(4*3)+(3*1)+(2*2)+(1*1)=70
70 % 10 = 0
So 1030431-21-0 is a valid CAS Registry Number.